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- PDB-2sgf: PHE 18 VARIANT OF TURKEY OVOMUCOID INHIBITOR THIRD DOMAIN COMPLEX... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2sgf | ||||||
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Title | PHE 18 VARIANT OF TURKEY OVOMUCOID INHIBITOR THIRD DOMAIN COMPLEXED WITH STREPTOMYCES GRISEUS PROTEINASE B | ||||||
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![]() | HYDROLASE/HYDROLASE INHIBITOR / COMPLEX (SERINE PROTEASE-INHIBITOR) / SERINE PROTEINASE / PROTEIN INHIBITOR / HYDROLASE-HYDROLASE INHIBITOR COMPLEX | ||||||
Function / homology | ![]() streptogrisin B / molecular function inhibitor activity / serine-type endopeptidase inhibitor activity / serine-type endopeptidase activity / proteolysis / extracellular region Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Huang, K. / Lu, W. / Anderson, S. / Laskowski Jr., M. / James, M.N.G. | ||||||
![]() | ![]() Title: Recruitment of a Buried K+ Ion to Stabilize the Negative Charge of Ionized P1 in the Hydrophobic Pocket: Crystal Structures of Glu18, Gln18, Asp18 and Asn18 Variants of Turkey Ovomucoid ...Title: Recruitment of a Buried K+ Ion to Stabilize the Negative Charge of Ionized P1 in the Hydrophobic Pocket: Crystal Structures of Glu18, Gln18, Asp18 and Asn18 Variants of Turkey Ovomucoid Inhibitor Third Domain Complexed with Streptomyces griseus Protease B at Various pHs Authors: Huang, K. / Lu, W. / Anderson, S. / Laskowski Jr., M. / James, M.N.G. #1: ![]() Title: Water molecules participate in proteinase-inhibitor interactions: crystal structures of Leu18, Ala18, and Gly18 variants of turkey ovomucoid inhibitor third domain complexed with Streptomyces griseus proteinase B. Authors: Huang, K. / Lu, W. / Anderson, S. / Laskowski, M. / James, M.N. #2: ![]() Title: Structure of the Complex of Streptomyces griseus Protease B and the Third Domain of the Turkey Ovomucoid Inhibitor at 1.8 Angstroms Resolution Authors: Read, R.J. / Fujinaga, M. / Sielecki, A.R. / James, M.N.G. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 60.2 KB | Display | ![]() |
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PDB format | ![]() | 42.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 378.7 KB | Display | ![]() |
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Full document | ![]() | 381.8 KB | Display | |
Data in XML | ![]() | 6.5 KB | Display | |
Data in CIF | ![]() | 10.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1sgeC ![]() 1sgnC ![]() 2sgdC ![]() 3sgbS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 18653.232 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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#2: Protein | Mass: 5619.305 Da / Num. of mol.: 1 / Fragment: THIRD DOMAIN / Mutation: DEL(1-5), L18F Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
#3: Chemical | ChemComp-PO4 / |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.05 Å3/Da / Density % sol: 39.91 % |
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Crystal grow | pH: 6.5 / Details: 0.4 M SODIUM/POTASSIUM PHOSPHATE AT PH 6.5 |
-Data collection
Diffraction | Mean temperature: 287 K |
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Diffraction source | Source: ![]() |
Detector | Type: SDMS / Detector: AREA DETECTOR |
Radiation | Monochromator: NI FILTER / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.75→20 Å / Num. obs: 19032 / % possible obs: 93.2 % / Redundancy: 2.3 % / Rmerge(I) obs: 0.043 |
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Processing
Software | Name: TNT / Classification: refinement | ||||||||||||||||||||||||||||||
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Refinement | Method to determine structure: ![]() Starting model: 3SGB Resolution: 1.75→20 Å / σ(F): 0 / Stereochemistry target values: TNT PROTGEO
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Refinement step | Cycle: LAST / Resolution: 1.75→20 Å
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Refine LS restraints |
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